Paul Forbes, 31, of Middletown, is charged with robbing the Valero station at 4434 Boyds Corner Road.
According to police, it was shortly before 3:00 p.m. on Christmas when Forbes allegedly entered the store, walked behind the counter, and confronted the cashier.
Police say he implied he had a handgun, threatened the 20-year-old female employee, and demanded money.
The worker handed over cash and Forbes fled, police say.
Police identified Forbes as a suspect from surveillance video and interviews and arrested him on Friday in Townsend, Del.
He was charged with Robbery First Degree and is being held on $15,000 Secured Bond.
